Gen. Robert Macfeely House

The Cleveland Abbe House, also known as the Timothy Caldwell House and Monroe-Adams-Abbe House, is a historic house at 2017 "I" Street NW in Washington, D.C. Built in 1805, it is a good example of Federal period architecture, and has had a series of distinguished residents. Most notable are James Monroe, who occupied it as United States Secretary of War and as President of the United States while the White House was restored after the War of 1812, and historian Henry Adams. However, it was designated a National Historic Landmark in 1975 for its association with meteorologist Cleveland Abbe (1838–1916), the founder of the National Weather Service, who lived here from 1877 until his death. It is now home to the Arts Club of Washington.

The Arts Club of Washington is a private club to promote the Arts in Washington, D.C. Founded by Bertha Noyes in May 1916, its first president was Henry Kirke Bush-Brown; Mathilde Mueden Leisenring was among its original members, as were Susan Brown Chase, Catharine Carter Critcher, Lola Sleeth Miller, Bertha E. Perrie, and Mary Gine Riley.It is located at the Cleveland Abbe House. Since 2006, the Club has awarded the Marfield Prize, also known as the National Award for Arts Writing, for nonfiction books about the arts written for a broad audience.

Hotel Lombardy, is a historic Washington, D.C. hotel located at 2019 Pennsylvania Avenue. Built in 1929 as a private residence, it was converted to a hotel in 1994. Since 2004, it has been a member of the National Trust for Historic Preservation's Historic Hotels of America program.

The National Coalition Supporting Eurasian Jewry (NCSEJ), formerly the National Council for Soviet Jewry (NCSJ), is an organization in the United States which advocates for the freedoms and rights of Jews in Russia, Ukraine, Belarus, the Baltic States, and Eurasia. Emerging from the American Jewish Conference on Soviet Jewry, now with a paid staff, it played an important role in the Soviet Jewry movement, including such landmark legislation as Jackson–Vanik amendment. Headquartered in Washington, D.C., it is now an umbrella organization of about 50 national organizations and 300+ local federations, community councils and committees.

The National Security Archive is a 501(c)(3) non-governmental, non-profit research and archival institution located on the campus of the George Washington University in Washington, D.C. Founded in 1985 to check rising government secrecy, the National Security Archive is an investigative journalism center, open government advocate, international affairs research institute, and the largest repository of declassified U.S. documents outside the federal government. The National Security Archive has spurred the declassification of more than 10 million pages of government documents by being the leading non-profit user of the U.S. Freedom of Information Act (FOIA), filing a total of more than 50,000 FOIA and declassification requests in its over 30 years of history.

Kinkead's, An American Brasserie was a fine dining restaurant in Washington, D.C. open from 1993 to 2012, named for its chef and owner Bob Kinkead, primarily featuring seafood and New American cuisine.Kinkead's was located at 2000 Pennsylvania Avenue NW, and it quickly became one of the most popular restaurants in DC when it opened in October 1993. It was named one of the "25 best new restaurants in America" by Esquire Magazine. In 1996, the Mobil Guide awarded four stars to Kinkead's, one of only two restaurants in Washington to earn that distinction. In 1995, Bob Kinkead won the James Beard Award for "best American chef" in the Mid-Atlantic Region. Many politicians and celebrities ate at Kinkead's, including President Bill Clinton, Senator Ted Kennedy, and dancer Mikhail Baryshnikov; and many of Washington's best chefs trained there, including Logan Cox, Jeff Black, and Ris Lacoste.In 2005, Bob Kinkead published a cookbook, Kinkead's Cookbook: Recipes From Washington D.C.’s Premier Seafood Restaurant. In James Patterson's novels, Kinkead's restaurant is a frequent dining and date spot for the character Alex Cross.Kinkead's closed on December 22, 2012.

The Center for Security Policy (CSP) is a US far-right, anti-Muslim, Washington, D.C.-based think tank. The founder and former president of the organization was Frank J. Gaffney Jr (now Executive Chairman). The current president (since January 1, 2023) is Tommy Waller (former US Marine). CSP sometimes operates under its DBA name Secure Freedom.

The Women’s Bar Association of the District of Columbia (WBA or Association) is a voluntary bar association in metropolitan Washington, D.C. The WBA has more than 800 members and was founded in 1917.

Sabin Vaccine Institute (Sabin), located in Washington, D.C., is a nonprofit organization promoting global vaccine development, availability, and use. Through its work, Sabin hopes to reduce human suffering by preventing the spread of vaccine-preventable, communicable disease in humans through herd immunity and mitigating the poverty caused by these diseases.

Sholl's Colonial Cafeteria, was a 20th-century Washington, D.C. cafeteria-style restaurant that was famous for its popularity among tourists and government workers. The restaurant served everyone from United States presidents to the homeless. It closed its doors on December 1, 2001, due to rent increases combined with a sudden drop in local tourism that year based on fear of terrorism.

George Washington is a series of outdoor bronze busts depicting George Washington by Avard Fairbanks, located on the George Washington University campus in Washington, D.C.

The Embassy of Uruguay in Washington, D.C., is the diplomatic mission of Uruguay to the United States. The embassy also operates Consulates-General in Miami, New York City and San Francisco.